Here are some helpful websites if you want to conduct your own research. Listing here is not an endorsement of any of these sites, simply a primer to help you start your internet research. Most of them do not cost a thing! National Archives Veterans Records...

Survivors, historians, and next of kin of the casualties have tried for years to obtain information surrounding the bombing and sinking of the ROHNA. A search through libraries, history books, books on naval disasters, sinkings etc. produced virtually no information....

Agencies with Rohna Information NATIONAL ARCHIVES, WASHINGTON, D.C. Record Group 407, Records of the Adjutant General’s Office, 1917 Contains approximately 600 pages. Record Group 165, Records of the War Department General and Special Staffs, Operations Division, OPD....